Link's First Custom Cube: Virtual Booster

Mindfire Dragon    C  Creature – Dragon Flying, haste : Target player discards a card. If that player does, he or she draws a card. Mindfire Dragon gets +X/+0 until end of turn, where X is the discarded card's converted mana cost. 4/4	Walker in the Void    R  Creature – Merfolk Wizard Whenever a creature leaves the battlefield, you may counter target spell unless its owner pays . , Sacrifice Walker in the Void: Draw a card. 2/2	No more uncommons	No more uncommons	No more uncommons
Mazeform Phantasm    C  Creature – Illusion Whenever Mazeform Phantasm becomes tapped or untapped, each opponent puts the top two cards of his or her library into his or her graveyard. 1/1	Mangrove Line    C  Land – Forest Island (: Add or to your mana pool.) When Mangrove Line enters the battlefield, sacrifice it unless you pay .	Archon of the Sword    C  Creature – Archon Flying Whenever Archon of the Sword or another creature you control leaves the battlefield, choose a card type. Each player sacrifices a permanent of that type. 4/4	Lyr, Title Forger    C  Legendary Creature – Noble Other Noble creatures you control get +1/+1. : Target creature becomes a Noble until end of turn in addition to its other types. 2/2	Magnetic Performance    C  Instant Choose any number — • Magnetic Performance deals 3 damage to target player. • Destroy target artifact. • Each player with no cards in hand draws two cards. Magnetic Performance costs more to cast for each mode chosen beyond the first.
Paladin of Marthanos    C  Creature – Human Cleric Knight Whenever Paladin of Marthanos or another nontoken creature enters the battlefield under your control, you may pay . If you do, for as long as you control that creature, exile target creature an opponent controls. 2/3	Splatter Painting    C  Enchantment Whenever a creature attacks, its controller exiles the top card of his or her library. Until end of turn, that player may play that card.	Foremost Riddler    C  Creature – Sphinx Flying Enlighten — Foremost Riddler costs less to cast for each card you've drawn this turn. Whenever a Sphinx creature you control becomes blocked, you Gain a victory counter. (A player with 10 or more victory counters wins the game.) 4/3	Bastioned Bliss    C  Enchantment At the beginning of each end step, if you control a creature with defender, put a +1/+1 counter on target creature, then put a 1/1 white Spirit creature token with flying onto the battlefield.	Crystalline Fields    C  Land – Plains Island (: Add or to your mana pool.) When Crystalline Fields enters the battlefield, sacrifice it unless you pay .

Mindfire Dragon (common, foil)
Walker in the Void (rare)
Mazeform Phantasm (common)
Mangrove Line (common)
Archon of the Sword (common)
Lyr, Title Forger (common)
Magnetic Performance (common)
Paladin of Marthanos (common)
Splatter Painting (common)
Foremost Riddler (common)
Bastioned Bliss (common)
Crystalline Fields (common)